3949297537 has 8 divisors (see below), whose sum is σ = 3981828096. Its totient is φ = 3916789632.

The previous prime is 3949297519. The next prime is 3949297543. The reversal of 3949297537 is 7357929493.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3949297537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3949297237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642993 + ... + 649105.

It is an arithmetic number, because the mean of its divisors is an integer number (497728512).

Almost surely, 2^3949297537 is an apocalyptic number.

It is an amenable number.

3949297537 is a deficient number, since it is larger than the sum of its proper divisors (32530559).

3949297537 is a wasteful number, since it uses less digits than its factorization.

3949297537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327.

The product of its digits is 12859560, while the sum is 58.

The square root of 3949297537 is about 62843.4367058327. The cubic root of 3949297537 is about 1580.6654165908.

The spelling of 3949297537 in words is "three billion, nine hundred forty-nine million, two hundred ninety-seven thousand, five hundred thirty-seven".